Table 6. Body position and reflux variants, number of refluxes (n = 42)

Reflux variants	Upright position	Supine position	p-value
	Median (IQR)	Median (IQR)
All reflux episodes	95.75 (32.375-155.375)	30.5 (10-64.65)	0.004*
Acid reflux	20.7 (6.425-37.1)	8.35 (2.45-18.875)	0.039*
Weakly acid reflux	34.5 (14.025-94.05)	13.8 (4.675-37.275)	0.006*
Alkaline reflux	1.05 (0-9.95)	0 (0-1.1)	0.037*

p <0.05 (Wilcoxon test), IQR - interquartile range